397123888 has 80 divisors (see below), whose sum is σ = 947367936. Its totient is φ = 157512960.

The previous prime is 397123871. The next prime is 397123901. The reversal of 397123888 is 888321793.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77370 + ... + 82342.

Almost surely, 2^397123888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397123888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473683968).

397123888 is an abundant number, since it is smaller than the sum of its proper divisors (550244048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397123888 is a wasteful number, since it uses less digits than its factorization.

397123888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042 (or 5036 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 397123888 is about 19927.9674829120. The cubic root of 397123888 is about 735.0361023191.

The spelling of 397123888 in words is "three hundred ninety-seven million, one hundred twenty-three thousand, eight hundred eighty-eight".